a vent is a form of:

Cutthroat



noun
1.
(a person who cuts throats, a murderer, a razor with a long blade that folds into the handle) មនុស្សឃោរឃៅ, ឃាតករ, ចោរប្លន់, មនុស្សឬរបស់ដែលធ្វើឲ្យគេធុញទ្រាន់
2.
(FIGURATIVE) មនុស្សកំណាច
adjective
1.
(merciless, ruthless, three handed, said. of card games) ដែលចចេស, ដែលមានៈ cutthroat criminal ដែលគ្មានមេត្ដា, ដែលគ្មានប្រណី, ដែលឃោរឃៅ, cutthroat competition ដ៏សាហាវ
ENGLISH MEANING
noun
1.
One who cuts throats; a murderer; an assassin.
adjective
1.
Murderous; cruel; barbarous.